Yamaha - FS1-E 72-76

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Bike Info

CC:
50
Bike Description:
The iconic Sixteener Special of the 1970s ----------- Neil had one
Chassis info:
2RU- 008421
FS1-E Parts and accessories

Service

Fork oil grade:
10W-30
Front Fork Oil cc (left leg):
130cc
Front Fork Oil cc (right leg):
130cc
Gearbox Oil grade:
SAE30 or 20W/50
Idle Speed (rpm):
1250-1350
Points Gap mm:
0.5 - 0.6 mm
Spark Plugs Gap (mm):
0.5 - 0.6
Transmission oil quantity:
600-650ml
Two Stroke Oil:
20:1
Tyre Pressure Back Bar / psi:
28 psi
Tyre Pressure Front Bar / psi:
20 psi

Brakes

Front:
Drum
Rear:
Drum
Front Disc Size:
110mm single leading shoe
Front Drum Size:
110mm single leading shoe
Rear Disc Size:
110mm single leading shoe
Rear Drum Size:
110mm single leading shoe

Dimensions

Dry Weight:
70Kg
Fuel Capacity:
6.5 litres
Ground Clearance:
135mm
Height:
935mm
Length:
1755mm
Seat Height:
740mm
Trail:
75mm
Wheelbase:
1160mm
Width:
555mm

Electrics

Voltage:
6v
Battery:
6N4A-4D
Bulb-Headlight:
15/15
Charging System:
Magneto
Ignition:
Points
Spark Plugs:
NGK B6HS

Engine

Type:
Air Cooled 2 Stroke Reed Valve Six
Air Filtration:
paper element
Bore x Stroke:
40mm X 39.7mm
Carburation:
1 x Mikuni VM16SC
Carburation Idle Jet:
25
Carburation Main Jet:
150
Compression Ratio:
7:1
Displacement:
49cc
Lubrication System:
20: 1 Premix
Pilot Screw Setting:
1.75
Starting:
Kickstarter

Transmission

Chain Number of Links:
98
Chain type:
420
Clutch Type:
Wet Multiplate
Final Drive:
Chain 420 X 98
Gearchange Pattern:
N 1 2 3 4
Gear Ratio 1st:
3.077:1
Gear Ratio 2nd:
1.899:1
Gear Ratio 3rd:
1.304:1
Gear Ratio 4th:
1.038:1
Primary Drive:
Gear
Primary Drive Ratio:
3.895:1
Sprocket front:
14
Sprocket rear:
39
Transmission:
Four Speed

Misc.

Colour Options:
Candy Gold, Popsicle Purple baja brown competition yellow
Frame:
Pressed steel backbone type
Motorcycle Style:
ROADSTER
Number Produced:
200,000+
Place of Manufacture:
Japan

Power

Fuel Consumption:
95 mpg
Max Power Output:
4.8 BHP
Top Speed:
45 mph

Suspension

Front:
Conventional Oil Damped Telescopic
Front Travel:
75mm
Rear:
Twin Enclosed Oil Damped Dual Sided Swingarm

Tyres

Front:
225-17 Tubed
Rear:
250-17 Tubed

Wheels

Front:
Spoked 17in
Rear:
Spoked 17in